This looks great! I want one.
On Sun, Dec 29, 2019 at 5:25 AM Jeroen Domburg <[email protected]> wrote:
>
> More updates! In general, I'll try not to flood the list too much, but
> I'm too happy with this result not to share it. Long story short, my
> 3d-printer came in. It's not one of those hot plastic squirter types,
> but a thing that projects UV through a LCD to harden out resin that's on
> top of it. The big plus of those is that you can get a really good
> resolution, which kinda is needed for tiny projects like this.
>
> Well, I've been modelling in OpenSCAD for a while to create a case for
> the prototype I had, mostly to see if I can get the keys working and
> printed out correctly. The case still is intended for the prototype PCB
> so it has space for the ugly debugging buttons on the side, but
> otherwise I put most of the things in I also want in the final case,
> including e.g. embossed keycaps.
>
> So it took me a few tries to get everything working; the current case is
> the 5th attempt or so... two attempts to figure out there is some 'light
> leakage' in the printer that make the parts come out a hair thicker than
> I specify, and two attempts to figure out it's really a good idea to
> make sure the first layer adheres to the building plate... ah well, new
> toy, you're going to get that.
>
> Anyway, the final result ('final' mostly because my weekend is almost
> over):
> http://j0h.nl/qgIC/full
>
> I'm really happy with this. The keycaps embossing (well, it's actually
> debossing, the letters are lower than the surface of the key) didn't
> come out like this from the start, but I used a trick: paint over the
> keycaps with a Sharpie or so, and the ink will flow into the letter.
> Wipe the top clean, and the ink in the letter remains.
>
> Usability is hard to convey in an email, but that's unfortunately not a
> bit I'm happy with: some keys have a nice 'snap' when they make the
> metal domes under them fold, but other keys have no tacile feedback at
> all. Also, I made the keys concave, like I think the M100 does as well;
> that may not be suited well for buttons as small as this one. Food for
> thought...
>
> Cheers,
> Jeroen
>
>
